The NTSB has released a preliminary report on last month's plane crash in Bristol, Maine, which resulted in the death of a New Hampshire man.
The National Transportation Safety Board found that the plane engine's No. 4 cylinder exhaust valve had failed causing it to strike obstacles.
In Maine, 54-year-old John Hall of Lee, New Hampshire, was identified as the pilot killed in the Bristol Diamond DA20 crash; his 21-year-old son was injured, and FAA/NTSB investigators are examining ...
According to the NTSB, the plane's engine lost power before crashing.
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